ATM I4D Flight Trial by Chief Pilot

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© AIRBUS Operations S.A.S. All rights reserved. Confidential and proprietary document.

SESAR – Initial 4D On time ! Amsterdam 6 March 2012

Presented byPhilippe PELLERIN Experimental Test Pilot – Airbus

SESAR JU– Initial 4D “On time !”

Initial 4D Operation

Once the A/C enters the ATC arrival horizon, at least 40' before landing:

1. ATC uplinks to A/C the route clearance to follow down to runway - (via CPDLC).

2. Crew loads the route clearance into the FMS and updates FMS winds and temperatures data (via

AOC datalink function) A/C downlink of 4D predicted trajectory (ADS-C)


AOC datalink function). A/C downlink of 4D predicted trajectory (ADS-C).

3. ATC requests Reliable RTA interval for merge point (via ADS-C). A/C downlinks Reliable RTA

interval (via ADS-C).

4. ATC uplinks feasible RTA.

5. Crew inserts RTA in FMS as active data. A/C downlinks A/C 4D predicted trajectory (via ADS-C).

6. 4D trajectory agreed by crew and ATC Descent can be flown in full managed.

ATC Arrival HORIZON4DT RTA interval

13:52:5313:50:5613:48:56


FAFIAFMP

FAFIAF

MP

4DT RTA interval

RTA WPT14:03:56

13:47:3613:57:21

14:02:43

14:08:35

14:13:53

13:55:25

14:00:49

14:06:40

14:11:58

13:55:10

13:53:49

14:01:32

14:06:45

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Main contributors to the success of the flight



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Main contributors to the success of the flight

Aircraft : A 320 MSN 001 fitted with :- test installation (recorders)- prototype FANS B- development FMS

ATCOs : NORACON and MUAC



Board System Providers :Thales (FMS + FANS B)Honeywell (FMS)Airbus (FANS B)

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Ground System Providers :Indra (Maastricht)Thales (Malmö)

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Necessary evolutions of the FMS for I4D

Improved RTA in descent:

Accuracy +/- 10s with 95% reliability.

I d th d li


Improved weather modeling:

10 winds in descent.

10 temperatures in descent.

Reliable RTA interval function:

Available onboard for any waypoint (RTA page).

Reliable RTA interval reported through ADS-C.


Datalink:

CPDLC: new RTA messages (1 sec resolution + tolerance value).

ADS-C: downlink of the 4D trajectory.

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FMS evolutions (HMI)

D E S C E N T T EM PS A T / A L T

4 0 ° / F L 3 2 0

D E S C E N T W I N DT R U W I N D / A L T A L T N W I N D


- 4 0 ° / F L 3 2 0

- 3 5 ° / F L 2 7 0

- 3 3 ° / F L 2 3 0

- 3 5 ° / F L 2 0 0

- 2 5 ° / F L 1 5 0

< R E T U R N

0 6 0 ° / 0 6 0 / F L 3 2 0 0 1 0 ° / 0 6 5F L 3 3 0

0 5 5 ° / 0 5 8 / F L 3 0 0W I N D

0 4 0 ° / 0 5 5 / F L 2 7 0 R E Q U E S T *P R E V

0 2 0 ° / 0 5 0 / F L 2 5 0 P H A S E >

0 1 5 ° / 0 4 5 / F L 2 0 0

< R E T U R N


Extended descent wind levels New descent temperature page

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R T AA T W P T D I S T R T A

RTA in descent phase

R T AA T W P T D I S T R T A


D E V R O 4 2 [ ]M A N A G E D E T A

2 8 0 1 5 : 3 8 : 1 5

A C T M O D E

M A N A G E DV M A X U T C

3 1 0 / 0 . 7 9 1 4 : 5 0 : 0 0

R E L I A B L E R T A

1 5 : 3 7 : 0 5 / 1 5 : 5 1 : 5 1

< R E T U R N

D E V R O 4 2 1 5 : 4 0 : 0 0M A N A G E D E T A

2 8 0 1 5 : 4 0 : 0 2

A C T M O D E

M A N A G E DV M A X U T C

3 1 0 / 0 . 7 9 1 4 : 5 0 : 0 0

A C C U R

+ / - 1 0

< R E T U R N


MAX RTA speed (tuned manually)

Display of 95% RTA reliability interval

Display of RTA tolerance

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« R » for RTA managed speed RTA displayed with a 1 second resolution

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Flight Trial



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Flight Trial

• Legs 1-3: Honeywell FMS

• Leg 1 : Take off at 06h30 UTC on Feb 10th from Toulouse


• Leg 2 : Flight within MUAC airspace (1 metering point en-route)

• Leg 3 : Transfer MUAC to NORACON

Approach to Copenhaguen (1 metering point around FL80)

Approach to Stockholm (1 metering point around FL80)


Landing in Stockholm

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Flight Trial

• Legs 4-6: Thales FMS

• Leg 4 : Take off from Stockholm


Approach to Stockholm (1 metering point around FL80)

• Leg 5 : Approach to Copenhaguen (1 metering point around FL80)

• Leg 6 : Transfer NORACON to MUAC

Flight back to Toulouse (1 metering point en-route)


Flight back to Toulouse (1 metering point en route)

Landing in Toulouse at 16h15

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Achieved times

Position Time of Insertion RTA entered Achieved Delta


REVLA 07.54 08.27.00 08.27.06 +6

KUBIS 08.38 09.00.00 09.00.02 +2

SA620 09.27 09.56.15 19.56.14 -1

SA489 12.39 13.03.36 13.03.39 +3

CH446 13.24 13.50.03 13.50.04 +1

WOODY 14 07 14 37 32 14 37 34 2


WOODY 14.07 14.37.32 14.37.34 +2

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Main observations

• RTA• All 6 RTAs were met within the required 10 seconds.


• CPDLC• Uplinked routes and time constraints processed correctly.

• ADS-C• Provision of airborne data (trajectory predictions and ETA

window) to the ground worked all ok.• Worth noting that for the first time, ADSC was routed via

ATN i t d f ACARS


ATN instead of ACARS

• Weather• Meteo updates consistently processed by crew.

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Expected benefits

• Thanks to management through RTA, CTOT could be discarded

• Less delays on ground• More flexibility for airlines

• Better management of the arrivals• No more holdings• Less fuel burn• Less delays• Possibility to fly close-to-CDA descents


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• Less noise

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2010 2011 2012 2013 2014

Overall I4D validation plan


Previous studies: BASIC 4D

Evaluations on EPOPEE


i4D Step A

Flight Trial

Coupled simulators

Initial developments air + ground

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2010 2011 2012 2013 2014



Coupled simulators

i4D Step B

Flight Trial TBCPrevious studies: BASIC 4D



i4D Step A

Flight Trial

Coupled simulators

p


Ground systems 2nd generation

(Step A outputs)

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2010 2011 2012 2013

Flight Trial

Coupled

2014



i4D Step C

psimulators

Coupled simulators

i4D Step B

Ground systems 3rd generation Airborne systems 2nd generation

(Step A + B outputs) Flight Trial TBCPrevious studies: BASIC 4D



i4D Step A

Flight Trial

Coupled simulators

p


Ground systems 2nd generation

(Step A outputs)

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Conclusions

• The I4D flight contributed to demonstrate the technical and operational feasibility of the concept byand operational feasibility of the concept by

• Maturing the technical definition and the system design• Providing a first exposure to operational community

• The I4D flight is the result of a successful enhanced collaborative work (ground industry, airborne industry, ANSPs)


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RTA : 00:20:00 Time : 00:19:57RTA : 00:20:00 Time : 00:19:58RTA : 00:20:00 Time : 00:19:59RTA : 00:20:00 Time : 00:20:00RTA : 00:20:00 Time : 00:19:57RTA : 00:20:00 Time : 00:19:58RTA : 00:20:00 Time : 00:19:59RTA : 00:20:00 Time : 00:20:00

On Time !


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Thank you for your attention


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Technology

ATM I4D Flight Trial by Chief Pilot